Home / 1,097,271.70-1,645,907.55-920,124.70

Finding the Fourth Proportional to 1,097,271.70, 1,645,907.55 and 920,124.70

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Solution

The fourth proportional to 1,097,271.70, 1,645,907.55 and 920,124.70 is: 1,380,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,271.70 : 1,645,907.55 = 920,124.70 : x
  2. Step 2: Convert to fraction form
    1,097,271.70/1,645,907.55 = 920,124.70/x
  3. Step 3: Cross multiply
    1,097,271.70x = 1,645,907.55 × 920,124.70
  4. Step 4: Simplify right side
    1,097,271.70x = 1,514,440,190,671.49
  5. Step 5: Solve for x
    x = 1,514,440,190,671.49/1,097,271.70
  6. Step 6: Final answer
    x = 1,380,187.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.